Home / 199,331.40-298,997.10-66,232.20

Finding the Fourth Proportional to 199,331.40, 298,997.10 and 66,232.20

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Solution

The fourth proportional to 199,331.40, 298,997.10 and 66,232.20 is: 99,348.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,331.40 : 298,997.10 = 66,232.20 : x
  2. Step 2: Convert to fraction form
    199,331.40/298,997.10 = 66,232.20/x
  3. Step 3: Cross multiply
    199,331.40x = 298,997.10 × 66,232.20
  4. Step 4: Simplify right side
    199,331.40x = 19,803,235,726.62
  5. Step 5: Solve for x
    x = 19,803,235,726.62/199,331.40
  6. Step 6: Final answer
    x = 99,348.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.